Although weeds are a nuisance, even worse enemies of plants, and correspondingly more expensive to farmers, are: 1 . Insects and roundworms 2 . Fungal diseases (molds, blights, rusts, …
Herbicides cost the world’s farmers more than $12 billion each year. Yet despite this, around 10% of the crop is lost due to weeds. One problem is that many …
Another strategy for getting a gene of interest into plant tissue is to blast the DNA through the plant cell walls with a particle gun. Unlike Ti plasmid transfer …
The first step in genetically engineering a plant is to identify a gene that will confer a specific desirable trait on the plant. In some ways, this is the …
BACs Bacterial Artificial Chromosomes, i) use fertility F plasmid ii) 75-300 kb inserts possible iii) Developed during the humane genome project YACs Yeast Artificial Chromosomes i) Mimics Yeast chromosome …
Species of Pythium grow in water and soil as saprotrophs, but under suitable conditions, e.g. where seedlings are grown crowded together in poorly drained soil, they can become parasitic, …
Economic Importance Of Bacteria: 1.As Biofertilizers: (a) Ammonifying bacteria: Bacillus subtilis, B. mycoides, B. ramosus, etc., act upon the dead animal and plant tissues and decompose their complex organic …
Fundamental concepts and definition: Plasmids are autonomous extrachromosomal replicons found commonly in prokaryotes, but also in eukaryotes and their organelles. They are generally covalently closed and superfoiled circles of …
RNA molecules with catalytic ability are known as ribozymes . Some ribozymes act by cleaving other RNA molecules. Such ribozymes have catalytic domains that carry out the reaction fused …
Although most cancers are not inherited via the germ line, cancer is nonetheless a genetic disease. In the case of hereditary disease we may attempt to replace the defective …